Monitor



FIG. 1 is a front view of a monitor showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines are for the purpose of illustrating portions of the monitor and form no part of the claimed design. The black shading on the front of the monitor represents the color black and the dark gray shading on the front of the monitor represents the color gray. The closely spaced parallel diagonal shade lines indicate translucency. 

CLAIM The ornamental design for a monitor, as shown and described. 